Home / 74,854,424.28-112,326,426.18-68,763,016.92

Finding the Fourth Proportional to 74,854,424.28, 112,326,426.18 and 68,763,016.92

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Solution

The fourth proportional to 74,854,424.28, 112,326,426.18 and 68,763,016.92 is: 103,185,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854,424.28 : 112,326,426.18 = 68,763,016.92 : x
  2. Step 2: Convert to fraction form
    74,854,424.28/112,326,426.18 = 68,763,016.92/x
  3. Step 3: Cross multiply
    74,854,424.28x = 112,326,426.18 × 68,763,016.92
  4. Step 4: Simplify right side
    74,854,424.28x = 7,723,903,943,978,472
  5. Step 5: Solve for x
    x = 7,723,903,943,978,472/74,854,424.28
  6. Step 6: Final answer
    x = 103,185,670.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.